The typical asking rate per listing is in the $10's per square foot per year. The Del City submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 11% decline in rent.
In the last 90 days, 3 listings have been listed, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 100% of the listings in the Del City are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,540 sqft. Most buildings in this region are close to 1 stories. Most buildings in this market were built in 1970 and are Class C.